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    September 22, 2023
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    Rewterz Threat Alert – An Emerging Ducktail Infostealer – Active IOCs
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    Managed Security Services

    • Managed Security Monitoring
    • Remote SOC
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    Managed Penetration Testing

    Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.

  • Services

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    • APT Assessment
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    September 22, 2023
    Rewterz
    September 22, 2023
    Rewterz Threat Alert – An Emerging Ducktail Infostealer – Active IOCs
    Severity High Analysis Summary Ducktail Malware is a malicious program designed by hackers to infiltrate computers and networks globally. Ducktail malware is typically delivered through a […]
    September 22, 2023
    Rewterz
    September 22, 2023
    Rewterz Threat Alert – Revenge RAT aka Revetrat – Active IOCs
    Severity Medium Analysis Summary First discovered in 2016, Revenge RAT is a remote access trojan (RAT) designed to give an attacker complete control over an infected […]
    September 22, 2023
    Rewterz
    September 22, 2023
    Rewterz Threat Alert – North Korea Linked Konni APT Group – Active IOCs
    Severity High Analysis Summary The Konni APT (Advanced Persistent Threat) group is a cyber espionage group that has been active since at least 2014. It is […]

    Threat Insights

    16
    pdf-file (1)
    Annual Threat Intelligence Report 2022
    • Threat Advisories
    • Monthly Threat Insights
    • Threat Intelligence Reports
  • Why Rewterz?

    About Us

    Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.

    Read More

    play_btn_Smallplay_btn_hover_Small
    leadership

    Our Leadership

    Our leadership team brings together years of knowledge and experience in cybersecurity to drive our company's mission and vision. Our team is passionate about delivering high-quality products and services, leading by example and assisting our clients in securing their organization’s environment.
    help

    CSR

    At Rewterz, we believe that businesses have a responsibility to impact positively and contribute to the well-being of our communities as well as the planet. That's why we are committed to operating in a socially responsible and sustainable way.

    Connect with Us

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Rewterz Threat Alert – REvil Ransomware – Active IOCs
July 22, 2022
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Rewterz Threat Alert – Snake Keylogger’s Malware Targeting Ukrainian Citizens – Active IOCs
July 22, 2022

Rewterz Threat Alert – LockBit 3.0 Ransomware – Active IOCs

July 22, 2022

Severity

High

Analysis Summary

LockBit ransomware takes as little as five minutes to deploy the encryption routine on target systems once it lands on the victim network. LockBit attacks leave few traces for forensic analysis as the malware loads into the system memory, with logs and supporting files removed upon execution. In one case, they found that the attack began from a compromised Internet Information Server that launched a remote PowerShell script calling another script embedded in a remote Google Sheets document. This script connects to a command and control server to retrieve and install a PowerShell module for adding a backdoor and establish persistence. To evade monitoring and go unnoticed in the logs, the attacker renamed copies of PowerShell and the binary for running Microsoft HTML Applications (mshta.exe); this prompted Sophos to call this a “PS Rename“ attack. The backdoor is responsible for installing attack modules and executes a VBScript that downloads and executes a second backdoor on systems restart.

LockBit strives to target different sectors throughout the world and has just rebranded for the second time. Operators and affiliates behind the LockBit ransomware started transitioning to LockBit 3.0 around June 2022. LockBit 3.0, also known as LockBit Black, is active and out there, and the BFSI Sector makes up 1/3rd of its victims. This latest LockBit version has a new extortion model that allows them to purchase stolen data during attacks. Rapid affiliate adoption of LockBit 3.0 has resulted in a large number of victims being identified on the new “Version 3.0” leak sites, a collection of public blogs that identify non-compliant victims and release extracted data. 

LockBit 3 ransomware leaks site

Image source: (Sentinelone)

Impact

  • Security Bypass
  • Information Theft
  • Files Encryption

Indicators of Compromise

MD5

  • 7fb11398c5be61445bee1efa7c9caa31
  • 03b14473eef5b7e38d9a5041c1af0a76
  • 628e4a77536859ffc2853005924db2ef

SHA-256

  • f9b9d45339db9164a3861bf61758b7f41e6bcfb5bc93404e296e2918e52ccc10
  • a56b41a6023f828cccaaef470874571d169fdb8f683a75edd430fbd31a2c3f6e
  • d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee

SHA-1

  • ced1c9fabfe7e187dd809e77c9ca28ea2e165fa8
  • 371353e9564c58ae4722a03205ac84ab34383d8c
  • c2a321b6078acfab582a195c3eaf3fe05e095ce0

Remediation

  • Block all threat indicators at your respective controls.
  • Search for Indicator of compromise (IOCs) in your environment utilizing your respective security controls.
  • Maintain cyber hygiene by updating your anti-virus software and implement patch management lifecycle.
  • Maintain Offline Backups – In a ransomware attack, the adversary will often delete or encrypt backups if they have access to them. That’s why it’s important to keep offline (preferably off-site), encrypted backups of data and test them regularly.
  • Emails from unknown senders should always be treated with caution.
  • Never trust or open ” links and attachments received from unknown sources/senders.

Platform

  • Rewterz XDR
  • Rewterz Defense
  • Rewterz Threat Intelligence

Managed Security Services

  • Managed Security Monitoring
  • Remote SOC
  • Onsite SOC
  • Hybrid SOC

Assess

  • Compromise Assessment
  • APT Assessment
  • Penetration Testing
  • Architecture Design & Review
  • Red Team Assessment
  • Purple Team Assessment
  • Social Engineering
  • Source Code Review

Transform

  • SOC Consultancy
  • SOC Maturity Assessment
  • SOC Model Evaluation
  • SOC Gap Analysis
  • SIEM Gap Analysis
  • SIEM Optimization
  • SOC Content Pack

Train

  • Simulated Cyber Attack Exercise
  • Tabletop Exercise
  • Security Awareness and Training

Respond

  • Incident Analysis
  • Incident Response

Threat Insights

  • Threat Advisories
  • Monthly Threat Insights
  • Threat Intelligence Reports

Resources

  • Blog
  • Press Releases

Connect With Us

  • Contact
  • Careers
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